Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

PAULA ANDREA DIAZ DO
NPI 1356628721
Emergency Medicine in Newark, DE

Active since November 13, 2011PECOS Enrolled
4755 OGLETOWN STANTON RD, NEWARK, DE 19718(302) 733-3901(302) 733-1595 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 7, 2026, Aug 7, 2019 (2 updates tracked since 2019).

About Paula Andrea Diaz Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PAULA ANDREA DIAZ DO (NPI 1356628721) is an individual emergency medicine provider in Newark, Delaware, licensed in Delaware (C2-0024047) and active in the NPI registry since November 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356628721
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NamePAULA ANDREA DIAZCredential: DO
Location Address4755 OGLETOWN STANTON RDNewark, DE 19718-1248
Mailing Address4755 Ogletown Stanton RdNewark, DE 19718-2200 · (302) 733-3901 · Fax (302) 733-1595
Fax(302) 733-1595
Sole ProprietorNo
Enumeration DateNovember 13, 2011
Last NPPES UpdateJuly 7, 20262 updates tracked since enumeration
NPPES CertifiedJuly 7, 2026
NPI 1356628721 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in DE · C2-0024047
Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

4755 OGLETOWN STANTON RD, Newark, DE 19718

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Paula Andrea Diaz Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
389 services383 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
275 services260 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
57 services57 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
55 services55 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19718 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.37 typical visit price
range $57.12 – $173.08
Typical copayment $22.09 (range $14.28 – $43.27)
Most-billed visit code 99203
Established Patient
$100.68 typical visit price
range $18.36 – $141.05
Typical copayment $25.17 (range $4.59 – $35.26)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant (Medical)
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Nurse Practitioner
4755 OGLETOWN STANTON RD, ROOM E1070 CENTER FOR HEART & VASCULAR HEALTH AT CHRIST
NEWARK, DE 19718
Emergency Medicine
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Internal Medicine (Cardiovascular Disease)
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Nurse Practitioner (Acute Care)
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Student in an Organized Health Care Education/Training Program
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Nurse Anesthetist, Certified Registered
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Nurse Anesthetist, Certified Registered
4755 OGLETOWN STANTON RD
NEWARK, DE 19718

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Paula Diaz's NPI number?

The NPI number for Paula Diaz is 1356628721. It was assigned to this individual provider in the NPPES registry on November 13, 2011.

Where is Paula Diaz located?

Paula Diaz practices at 4755 Ogletown Stanton Rd, Newark, DE 19718. The listed phone number is (302) 733-3901.

What is Paula Diaz's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Paula Diaz enrolled in Medicare?

Yes. Paula Diaz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Paula Diaz was last updated on July 7, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.